In the Season 4 finale, a couple feel blessed to move into a home that once belonged to their daughter's great-grandmother. That is, until they come to fear that another deceased relative wants them gone.

No military training could prepare eight U.S. Marines for the ghostly enemy they encountered at an outpost in Afghanistan.

Three brokenhearted women renting an old house together seek a fresh start, but instead get what they believe is a supernatural tormentor who is preaching about hell and brimstone.

The parents of five girls claim that malevolent forces terrorized them physically and even put a life-threatening curse on the family, which resulted in a near-fatal incident.

A woman suspects that something evil is hiding behind a boarded-up fireplace in her apartment in Washington, Mo., which she once thought of as a sanctuary, but now fears is haunted by a witch.

A stroke victim and her family seek a fresh start in a new country home, but instead end up fighting for their lives and sanity when they encounter what they believe to be a band of terrifying Native American spirits.

A family's dream "forever" home turns into a nightmare when they discover satanic symbols carved into the floorboards and start to believe that a dark, terrifying demon is after one of their souls.

A family are fearful of what they describe as a darkness that lurks beneath the inky water of a pond at the back of their property.

A woman who is consumed by guilt over her grandfather's death believes he is haunting her and her family.

A family claim they are being torn apart by a life-size doll, which they fear is possessed and after their 6-year-old daughter's soul.

A Pennsylvania politician finds himself doing battle with the ghost of a murderous doctor that haunts his home, and also an ancient pagan god that the doctor once worshipped.

Three female college students claim that they are being terrorized by a demon woman hell-bent on tearing their lives apart.

In the Season 4 premiere, the owners of an abandoned motel are pushed to the brink of evil.